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Finding the Fourth Proportional to 555,110.28, 766,067.15 and 337,244.78

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Solution

The fourth proportional to 555,110.28, 766,067.15 and 337,244.78 is: 465,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,110.28 : 766,067.15 = 337,244.78 : x
  2. Step 2: Convert to fraction form
    555,110.28/766,067.15 = 337,244.78/x
  3. Step 3: Cross multiply
    555,110.28x = 766,067.15 × 337,244.78
  4. Step 4: Simplify right side
    555,110.28x = 258,352,150,225.26
  5. Step 5: Solve for x
    x = 258,352,150,225.26/555,110.28
  6. Step 6: Final answer
    x = 465,406.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.